{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "401927",
    "entityType": "User",
    "nonce": "0x0c9a18d18639ee4c3e10bc9664bd46727349d63f6f5e58f8282ae6b9c17ab0d3",
    "signature": "0xdd79901b9287684502b978b3098449c21f631cfb8d68b901bc428387d3e05fe565315f80849075fc0266afe2e0872e8700a1830bef989f208e396e73b921ca461c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}